The following changes were made:

* Split off libc files into separate package (linux-libc)
  * Corrected issue with missing files in linux-headers

Makefile

@@ -39,6 +39,8 @@ LINUX-FIRMWARE := $(PWD)/linux-firmware
 LINUX-FIRMWARE-ROOT := $(LINUX-FIRMWARE)/ROOT
 LINUX-HEADERS := $(PWD)/linux-headers-$(KERNVER)-$(SNAPVER)
 LINUX-HEADERS-ROOT := $(LINUX-HEADERS)/ROOT
+LINUX-LIBC := $(PWD)/linux-libc
+LINUX-LIBC-ROOT := $(LINUX-LIBC)/ROOT
 
 include /usr/share/snap/Makefile.snaplinux
 
@@ -53,7 +55,7 @@ $(LINUX-DOC-ROOT): $(LINUX-HEADERS-ROOT)
 		-exec gzip {} \; && \
 	cd $(LINUX-DOC) && make -f ../Makefile.linux-doc && mv *.snap ../
 
-$(LINUX-HEADERS-ROOT): $(LINUX-FIRMWARE-ROOT)
+$(LINUX-HEADERS-ROOT): $(LINUX-LIBC-ROOT)
 	@HEADERS=$(LINUX-HEADERS-ROOT)/usr/src/linux-headers-$(VERSION) && \
 	install -v -d $(LINUX-HEADERS)/SNAP && \
 	install -v -d $(LINUX-HEADERS-ROOT) && \
@@ -63,16 +65,24 @@ $(LINUX-HEADERS-ROOT): $(LINUX-FIRMWARE-ROOT)
 	install -v -d -m 755 $(LINUX-HEADERS-ROOT)/lib/modules/$(VERSION) && \
 	ln -sf /usr/src/linux-headers-$(VERSION) \
 		$(LINUX-HEADERS-ROOT)/lib/modules/$(VERSION)/build && \
-	cd $(SRCDIR) && make headers_install \
+	cd $(SRCDIR) && find {include,arch/x86*} \( -name \*.h -o \
-		INSTALL_HDR_PATH=$(LINUX-HEADERS-ROOT)/usr && \
+		-name Kbuild -o -name Makefile -o -name \*.conf \) \
-	cp -vrp {include,Makefile,Module.symvers,scripts} $$HEADERS && \
+		-exec cp --parents {} $$HEADERS \; && \
-	cp -vrp arch/x86/include/uapi $$HEADERS/arch/x86/include/uapi && \
+	find scripts/ -type f -exec cp --parents {} $$HEADERS \; && \
-	cp -vp arch/x86/Makefile $$HEADERS/arch/x86/Makefile && \
+	cp {.config,Makefile,Module.symvers} $$HEADERS && \
 	cp -vp arch/x86/kernel/asm-offsets.s \
 		$$HEADERS/arch/x86/kernel/asm-offsets.s && \
 	cd $(LINUX-HEADERS) && make -f ../Makefile.linux-headers && \
 		mv *.snap ../
 
+$(LINUX-LIBC-ROOT): $(LINUX-FIRMWARE-ROOT)
+	install -v -d $(LINUX-LIBC)/SNAP && \
+	install -v -d $(LINUX-LIBC-ROOT) && \
+	install -v -d -m 755 $(LINUX-LIBC-ROOT)/usr && \
+	cd $(SRCDIR) && make headers_install \
+		INSTALL_HDR_PATH=$(LINUX-LIBC-ROOT)/usr && \
+	cd $(LINUX-LIBC) && make -f ../Makefile.linux-libc && mv *.snap ../
+
 $(LINUX-FIRMWARE-ROOT): $(SRCDIR)/arch/x86_64/boot/bzImage
 	@install -v -d $(LINUX-FIRMWARE)/SNAP && \
 	install -v -d $(LINUX-FIRMWARE-ROOT)/lib/firmware && \
@@ -129,6 +139,7 @@ clean:
 	@rm -rvf $(ROOT) \
 		$(LINUX-DOC) \
 		$(LINUX-FIRMWARE) \
+		$(LINUX-LIBC) \
 		$(LINUX-HEADERS) \
 		$(SNAPINFO) \
 		$(MANIFEST) \

Makefile.linux-headers

@@ -8,7 +8,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                 
 # GNU General Public License for more details.                                  
 
-DEPENDS = 
+DEPENDS = linux-libc
 BRIEF = Header files for The Linux kernel
 DESC = This provides the header files that are generally used to compile \
 kernel modules

Makefile.linux-libc

@@ -0,0 +1,15 @@
+# This file is free software; you can redistribute it and/or modify             
+# it under the terms of the GNU General Public License version 2 as             
+# published by the Free Software Foundation here:                               
+# (http://www.gnu.org/licenses/gpl-2.0.html)                                    
+#                                                                               
+# This program is distributed in the hope that it will be useful,               
+# but WITHOUT ANY WARRANTY; without even the implied warranty of                
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                 
+# GNU General Public License for more details.                                  
+
+DEPENDS = 
+BRIEF = Userspace linux header files
+DESC = This provides the header files necessary for compiling user space applications for Linux
+
+include /usr/share/snap/Makefile.snaplinux

SNAP/config

@@ -50,7 +50,7 @@ CONFIG_BUILDTIME_EXTABLE_SORT=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_CROSS_COMPILE=""
 # CONFIG_COMPILE_TEST is not set
-CONFIG_LOCALVERSION="-7"
+CONFIG_LOCALVERSION="-8"
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_HAVE_KERNEL_GZIP=y
 CONFIG_HAVE_KERNEL_BZIP2=y